Apple has its own smart battery cases for iPhone XS and XR

Apple patent app details 'accessory detector' for mobile handset

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Just days after hearing that Steve Jobs was indeed looking into the possibility of letting third party applications play nice with his precious iPhone, along comes a suitable patent application that further proves his hesitance to let it happen. Jobs didn't shy away from suggesting that non-native apps aren't usually cellphone-friendly, and a new filing from Cupertino's lair details an "accessory detector" that would "detect whether an external accessory coupled to the connector may interfere with wireless communication with the handheld device." Of course, no direct mention of the iPhone is given, but it sounds like this here invention would alert the user via on-screen messages and flurries of frightening noises if the inserted / installed accessory did not match up with an internally stored "list" of okayed devices. Additionally, the handset would be able to adjust itself on the fly if the add-on did indeed "interfere" with operations, and while no verbiage mentioned any kinds of shut downs or undercover dial-ups to Apple HQ for unauthorized use, there's always the possibility that this type of scrutiny could lead to an easier implementation of a "Made for iPhone" type royalty program.

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